Hereditary Prince of Monaco
{{Short description|Heir to the throne of the Principality of Monaco}}
{{Use dmy dates|date=January 2023}}
{{Politics of Monaco}}
The Hereditary Prince(ss) of Monaco is the title given to the heir apparent or heir presumptive of the Monegasque throne, since its official creation on 15 May 1882. Traditionally, a male Hereditary Prince is also given the title Marquis of Baux. Like the Reigning Sovereign Prince and all other members of the Princely Family, the Hereditary Prince or Hereditary Princess is styled His or Her Serene Highness.
List of Hereditary Princes of Monaco
| class="wikitable"
!align="center" style="background: #f9f9f9; width:12em;" | Name !align="center" style="background: #f9f9f9; width:19em;" | Tenure !align="center" style="background: #f9f9f9;" | Length | ||
| Albert (I) | 15 May 1882 – 10 September 1889 | {{age in years and days|1882|5|15|1889|9|10}} |
| Louis (II) | 10 September 1889 – 26 June 1922 | {{age in years and days|1889|9|10|1922|6|26}} |
| Charlotte | 26 June 1922 – 30 May 1944 | {{age in years and days|1922|6|27|1944|5|30}} |
| Rainier (III) | 30 May 1944 – 9 May 1949 | {{age in years and days|1944|5|30|1949|5|9}} |
| Caroline | 23 January 1957– 14 March 1958 | {{age in years and days|1957|1|23|1958|3|14}} |
| Albert (II) | 14 March 1958 – 6 April 2005 | {{age in years and days|1958|3|14|2005|4|6}} |
| Caroline | 6 April 2005 – 10 December 2014 | {{age in years and days|2005|4|6|2014|12|10}} |
| Jacques[a] | 10 December 2014 – present | {{age in years and days|2014|12|10}} |
[a] Princess Gabriella, Jacques' twin sister, was born before him and so was heir presumptive of the throne for two minutes, but she wasn't granted the title.